Choosing natural gas is an environmentally responsible way to get the reliability and performance your business needs. Find out how to manage your commercial account, access billing and payments, find commercial rebates and savings specific to your industry.

We're committed to providing natural gas safely and reliably. Find safety information here to learn what to do in an emergency, safety precautions, activities for kids, and why you should call 811 before you dig.

For six decades, Nicor Gas has been serving Illinois customers with clean, safe, reliable and affordable natural gas. Learn about Nicor Gas, including our history, service area, careers, partnerships, and programs.